Home / 204,482.78-282,145.02-123,863.48

Finding the Fourth Proportional to 204,482.78, 282,145.02 and 123,863.48

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Solution

The fourth proportional to 204,482.78, 282,145.02 and 123,863.48 is: 170,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,482.78 : 282,145.02 = 123,863.48 : x
  2. Step 2: Convert to fraction form
    204,482.78/282,145.02 = 123,863.48/x
  3. Step 3: Cross multiply
    204,482.78x = 282,145.02 × 123,863.48
  4. Step 4: Simplify right side
    204,482.78x = 34,947,463,921.43
  5. Step 5: Solve for x
    x = 34,947,463,921.43/204,482.78
  6. Step 6: Final answer
    x = 170,906.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.